Answer:
c i guess, decrease temperature
The correct answer is that it is made of atoms that are covalently bonded together. Hope this helps.
Answer:
Coefficient: number balancing sulfuric acid in a chemical reaction.
Subscripts: number of atoms of each element forming the compound.
Explanation:
Hello!
In this case, since sulfuric acid is a molecule containing hydrogen, sulfur and oxygen in the following way:
- Two hydrogen atoms.
- One sulfur atom.
- Four oxygen atoms.
We can notice the 2 at H represents those two hydrogen atoms, the subscriptless S represent that 1 sulfur atom and the 4 at O represents those four oxygen atoms.
Moreover, since the molecules is given as 7 H2SO4
; from stoichiometry, we infer that every number preceding the molecule stands for a coefficient which is used to balance a undergoing chemical reaction reaction.
Best regards!
2HCL + __ Zn --> ZnCl2 + H2
i think that's right, not exactly sure.
I'm pretty sure it's A, but then again I'm only in 8th grade. Sorry if this doesn't help:(
